Watch case



FIG. 1 is a front right perspective view of a watch case showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is an end perspective view, both ends being the same; and

FIG. 5 is a left side elevational view thereof.

The broken line showing of a watch bracelet in FIG. 1 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a watch case, as shown and described. 